The Javan owlet (Glaucidium castanonotum) is a small owl species found in the rainforests of Java and Bali in Indonesia. It is a nocturnal bird, preying on insects, small mammals, and reptiles.
The Javan owlet is an important part of the rainforest ecosystem, helping to control rodent populations. It is also a popular bird with birdwatchers due to its distinctive call and striking appearance.